/*
 * Licensed to Metamarkets Group Inc. (Metamarkets) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Metamarkets licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package io.druid.java.util.common.guava;

import com.google.common.base.Function;

import java.util.Map;

/**
 */
public class Fns
{
  public static Function<String, String[]> splitFn(final String splitChar, final int numCols)
  {
    return new Function<String, String[]>()
    {
      public String[] apply(String input)
      {
        return input.split(splitChar, numCols);
      }
    };
  }

  public static <KeyType, OutType> Function<Map<KeyType, OutType>, OutType> getFromMap(final KeyType key)
  {
    return new Function<Map<KeyType, OutType>, OutType>()
    {
      @Override
      public OutType apply(Map<KeyType, OutType> in)
      {
        return in.get(key);
      }
    };
  }
}
